2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1804
P0131, P0137, P0151, or P0157
* DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128,
P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516,
P2101, P2119, P2135, P2176 are not set.
* The engine is operating in Closed Loop.
* The Ignition 1 voltage is between 10-32 V.
* The fuel level is greater than 10 %.
* The throttle position (TP) is between 3-70 %.
* The DTCs run continuously when the above conditions are met for 2 s.
P0132, P0138, P0152, or P0158
* DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128,
P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516,
P2101, P2119, P2135, P2176 are not set.
* The engine is operating in Closed Loop.
* The Ignition 1 voltage is between 10-32 V.
* The fuel level is greater than 10 %.
* The throttle position (TP) is between 0-70 %.
* The DTCs run continuously when the above conditions are met for 2 s.
Conditions for Setting the DTC
P0131, P0137, P0151, or P0157
* The ECM detects that the HO2S voltage is less than 50 mV.
* The DTCs set within 100 s when the above condition is met.
P0132, P0138, P0152, or P0158
* The ECM detects that the HO2S voltage is greater than 1,050 mV.
* The DTCs set within 15 s when the above condition is met.
Action Taken When the DTC Sets
DTCs P0131, P0132, P0137, P0138, P0151, P0152, and P0158 are Type B DTCs.
Conditions for Clearing the MIL/DTC
DTCs P0131, P0132, P0137, P0138, P0151, P0152, and P0158 are Type B DTCs.
Reference Information
Schematic Reference
Engine Controls Schematics (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Heated Oxygen Sensor Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical
Diagnostic Procedures/Wiring Repairs/Heated Oxygen Sensor Wiring Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning)for scan tool information
Circuit/System Verification
1. Ignition ON, observe the DTC information with a scan tool. Verify no B52 HO2S heater DTCs are set.
